Because it's just that good.
A decade after “shock and awe,” he (le Carre') still rubs his forehead while speaking of it, as if discussing a death in the family.
On a shelf in his bathroom, le Carré keeps a rubber cartoon figurine of Bush, so he can stare at it while urinating.
God, I love that.
Link to original story: John le Carré Has Not Mellowed With Age - The New York Times